Ammonium Perrhenate Catalyst Precursor Flakes from Germany
Ammonium perrhenate in flake form (NH4ReO4) is a salt of perrhenic acid, a peroxometallic acid, used as a catalyst precursor for hydrocracking. It is a separate chemically defined compound under Chapter 28, falling under the 'Other' tariff item.
Duty Rate — Germany → Canada
0%
Import Tips
• Declare the product as ammonium perrhenate with the formula NH4ReO4
• Ensure the flakes are not mixed with other substances
• Keep the certificate of analysis to confirm purity for CBSA